25680240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1349

約数の個数: 120

約数和(自身を含む): 89504688

約数和(自身を除く): 63824448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1321, 1620, 1944, 2160, 2430, 2642, 3240, 3888, 3963, 4860, 5284, 6480, 6605, 7926, 9720, 10568, 11889, 13210, 15852, 19440, 19815, 21136, 23778, 26420, 31704, 35667, 39630, 47556, 52840, 59445, 63408, 71334, 79260, 95112, 105680, 107001, 118890, 142668, 158520, 178335, 190224, 214002, 237780, 285336, 317040, 321003, 356670, 428004, 475560, 535005, 570672, 642006, 713340, 856008, 951120, 1070010, 1284012, 1426680, 1605015, 1712016, 2140020, 2568024, 2853360, 3210030, 4280040, 5136048, 6420060, 8560080, 12840120, 25680240]

約数ペア:

[(1, 25680240), (2, 12840120), (3, 8560080), (4, 6420060), (5, 5136048), (6, 4280040), (8, 3210030), (9, 2853360), (10, 2568024), (12, 2140020), (15, 1712016), (16, 1605015), (18, 1426680), (20, 1284012), (24, 1070010), (27, 951120), (30, 856008), (36, 713340), (40, 642006), (45, 570672), (48, 535005), (54, 475560), (60, 428004), (72, 356670), (80, 321003), (81, 317040), (90, 285336), (108, 237780), (120, 214002), (135, 190224), (144, 178335), (162, 158520), (180, 142668), (216, 118890), (240, 107001), (243, 105680), (270, 95112), (324, 79260), (360, 71334), (405, 63408), (432, 59445), (486, 52840), (540, 47556), (648, 39630), (720, 35667), (810, 31704), (972, 26420), (1080, 23778), (1215, 21136), (1296, 19815), (1321, 19440), (1620, 15852), (1944, 13210), (2160, 11889), (2430, 10568), (2642, 9720), (3240, 7926), (3888, 6605), (3963, 6480), (4860, 5284)]